Sure thing, let's get straight to it. We start with 877 and we're going to multiply it by 478, which means adding 877 to itself 478 times.
Step 1: 0 + 877 = 877
Step 2: 877 + 877 = 1754
Step 3: 1754 + 877 = 2631
Step 4: 2631 + 877 = 3508
Step 5: 3508 + 877 = 4385
Step 6: 4385 + 877 = 5262
Step 7: 5262 + 877 = 6139
Step 8: 6139 + 877 = 7016
Step 9: 7016 + 877 = 7893
Step 10: 7893 + 877 = 8770
Step 11: 8770 + 877 = 9647
Step 12: 9647 + 877 = 10524
Step 13: 10524 + 877 = 11401
Step 14: 11401 + 877 = 12278
Step 15: 12278 + 877 = 13155
Step 16: 13155 + 877 = 14032
Step 17: 14032 + 877 = 14909
Step 18: 14909 + 877 = 15786
Step 19: 15786 + 877 = 16663
Step 20: 16663 + 877 = 17540
Step 21: 17540 + 877 = 18417
Step 22: 18417 + 877 = 19294
Step 23: 19294 + 877 = 20171
Step 24: 20171 + 877 = 21048
Step 25: 21048 + 877 = 21925
Step 26: 21925 + 877 = 22802
Step 27: 22802 + 877 = 23679
Step 28: 23679 + 877 = 24556
Step 29: 24556 + 877 = 25433
Step 30: 25433 + 877 = 26310
Step 31: 26310 + 877 = 27187
Step 32: 27187 + 877 = 28064
Step 33: 28064 + 877 = 28941
Step 34: 28941 + 877 = 29818
Step 35: 29818 + 877 = 30695
Step 36: 30695 + 877 = 31572
Step 37: 31572 + 877 = 32449
Step 38: 32449 + 877 = 33326
Step 39: 33326 + 877 = 34203
Step 40: 34203 + 877 = 35080
Step 41: 35080 + 877 = 35957
Step 42: 35957 + 877 = 36834
Step 43: 36834 + 877 = 37711
Step 44: 37711 + 877 = 38588
Step 45: 38588 + 877 = 39465
Step 46: 39465 + 877 = 40342
Step 47: 40342 + 877 = 41219
Step 48: 41219 + 877 = 42096
Step 49: 42096 + 877 = 42973
Step 50: 42973 + 877 = 43850
Step 51: 43850 + 877 = 44727
Step 52: 44727 + 877 = 45604
Step 53: 45604 + 877 = 46481
Step 54: 46481 + 877 = 47358
Step 55: 47358 + 877 = 48235
Step 56: 48235 + 877 = 49112
Step 57: 49112 + 877 = 49989
Step 58: 49989 + 877 = 50866
Step 59: 50866 + 877 = 51743
Step 60: 51743 + 877 = 52620
Step 61: 52620 + 877 = 53497
Step 62: 53497 + 877 = 54374
Step 63: 54374 + 877 = 55251
Step 64: 55251 + 877 = 56128
Step 65: 56128 + 877 = 57005
Step 66: 57005 + 877 = 57882
Step 67: 57882 + 877 = 58759
Step 68: 58759 + 877 = 59636
Step 69: 59636 + 877 = 60513
Step 70: 60513 + 877 = 61390
Step 71: 61390 + 877 = 62267
Step 72: 62267 + 877 = 63144
Step 73: 63144 + 877 = 64021
Step 74: 64021 + 877 = 64898
Step 75: 64898 + 877 = 65775
Step 76: 65775 + 877 = 66652
Step 77: 66652 + 877 = 67529
Step 78: 67529 + 877 = 68406
Step 79: 68406 + 877 = 69283
Step 80: 69283 + 877 = 70160
Step 81: 70160 + 877 = 71037
Step 82: 71037 + 877 = 71914
Step 83: 71914 + 877 = 72791
Step 84: 72791 + 877 = 73668
Step 85: 73668 + 877 = 74545
Step 86: 74545 + 877 = 75422
Step 87: 75422 + 877 = 76299
Step 88: 76299 + 877 = 77176
Step 89: 77176 + 877 = 78053
Step 90: 78053 + 877 = 78930
Step 91: 78930 + 877 = 79807
Step 92: 79807 + 877 = 80684
Step 93: 80684 + 877 = 81561
Step 94: 81561 + 877 = 82438
Step 95: 82438 + 877 = 83315
Step 96: 83315 + 877 = 84192
Step 97: 84192 + 877 = 85069
Step 98: 85069 + 877 = 85946
Step 99: 85946 + 877 = 86823
Step 100: 86823 + 877 = 87700
Step 101: 87700 + 877 = 88577
Step 102: 88577 + 877 = 89454
Step 103: 89454 + 877 = 90331
Step 104: 90331 + 877 = 91208
Step 105: 91208 + 877 = 92085
Step 106: 92085 + 877 = 92962
Step 107: 92962 + 877 = 93839
Step 108: 93839 + 877 = 94716
Step 109: 94716 + 877 = 95593
Step 110: 95593 + 877 = 96470
Step 111: 96470 + 877 = 97347
Step 112: 97347 + 877 = 98224
Step 113: 98224 + 877 = 99101
Step 114: 99101 + 877 = 99978
Step 115: 99978 + 877 = 100855
Step 116: 100855 + 877 = 101732
Step 117: 101732 + 877 = 102609
Step 118: 102609 + 877 = 103486
Step 119: 103486 + 877 = 104363
Step 120: 104363 + 877 = 105240
Step 121: 105240 + 877 = 106117
Step 122: 106117 + 877 = 106994
Step 123: 106994 + 877 = 107871
Step 124: 107871 + 877 = 108748
Step 125: 108748 + 877 = 109625
Step 126: 109625 + 877 = 110502
Step 127: 110502 + 877 = 111379
Step 128: 111379 + 877 = 112256
Step 129: 112256 + 877 = 113133
Step 130: 113133 + 877 = 114010
Step 131: 114010 + 877 = 114887
Step 132: 114887 + 877 = 115764
Step 133: 115764 + 877 = 116641
Step 134: 116641 + 877 = 117518
Step 135: 117518 + 877 = 118395
Step 136: 118395 + 877 = 119272
Step 137: 119272 + 877 = 120149
Step 138: 120149 + 877 = 121026
Step 139: 121026 + 877 = 121903
Step 140: 121903 + 877 = 122780
Step 141: 122780 + 877 = 123657
Step 142: 123657 + 877 = 124534
Step 143: 124534 + 877 = 125411
Step 144: 125411 + 877 = 126288
Step 145: 126288 + 877 = 127165
Step 146: 127165 + 877 = 128042
Step 147: 128042 + 877 = 128919
Step 148: 128919 + 877 = 129796
Step 149: 129796 + 877 = 130673
Step 150: 130673 + 877 = 131550
Step 151: 131550 + 877 = 132427
Step 152: 132427 + 877 = 133304
Step 153: 133304 + 877 = 134181
Step 154: 134181 + 877 = 135058
Step 155: 135058 + 877 = 135935
Step 156: 135935 + 877 = 136812
Step 157: 136812 + 877 = 137689
Step 158: 137689 + 877 = 138566
Step 159: 138566 + 877 = 139443
Step 160: 139443 + 877 = 140320
Step 161: 140320 + 877 = 141197
Step 162: 141197 + 877 = 142074
Step 163: 142074 + 877 = 142951
Step 164: 142951 + 877 = 143828
Step 165: 143828 + 877 = 144705
Step 166: 144705 + 877 = 145582
Step 167: 145582 + 877 = 146459
Step 168: 146459 + 877 = 147336
Step 169: 147336 + 877 = 148213
Step 170: 148213 + 877 = 149090
Step 171: 149090 + 877 = 149967
Step 172: 149967 + 877 = 150844
Step 173: 150844 + 877 = 151721
Step 174: 151721 + 877 = 152598
Step 175: 152598 + 877 = 153475
Step 176: 153475 + 877 = 154352
Step 177: 154352 + 877 = 155229
Step 178: 155229 + 877 = 156106
Step 179: 156106 + 877 = 156983
Step 180: 156983 + 877 = 157860
Step 181: 157860 + 877 = 158737
Step 182: 158737 + 877 = 159614
Step 183: 159614 + 877 = 160491
Step 184: 160491 + 877 = 161368
Step 185: 161368 + 877 = 162245
Step 186: 162245 + 877 = 163122
Step 187: 163122 + 877 = 163999
Step 188: 163999 + 877 = 164876
Step 189: 164876 + 877 = 165753
Step 190: 165753 + 877 = 166630
Step 191: 166630 + 877 = 167507
Step 192: 167507 + 877 = 168384
Step 193: 168384 + 877 = 169261
Step 194: 169261 + 877 = 170138
Step 195: 170138 + 877 = 171015
Step 196: 171015 + 877 = 171892
Step 197: 171892 + 877 = 172769
Step 198: 172769 + 877 = 173646
Step 199: 173646 + 877 = 174523
Step 200: 174523 + 877 = 175400
Step 201: 175400 + 877 = 176277
Step 202: 176277 + 877 = 177154
Step 203: 177154 + 877 = 178031
Step 204: 178031 + 877 = 178908
Step 205: 178908 + 877 = 179785
Step 206: 179785 + 877 = 180662
Step 207: 180662 + 877 = 181539
Step 208: 181539 + 877 = 182416
Step 209: 182416 + 877 = 183293
Step 210: 183293 + 877 = 184170
Step 211: 184170 + 877 = 185047
Step 212: 185047 + 877 = 185924
Step 213: 185924 + 877 = 186801
Step 214: 186801 + 877 = 187678
Step 215: 187678 + 877 = 188555
Step 216: 188555 + 877 = 189432
Step 217: 189432 + 877 = 190309
Step 218: 190309 + 877 = 191186
Step 219: 191186 + 877 = 192063
Step 220: 192063 + 877 = 192940
Step 221: 192940 + 877 = 193817
Step 222: 193817 + 877 = 194694
Step 223: 194694 + 877 = 195571
Step 224: 195571 + 877 = 196448
Step 225: 196448 + 877 = 197325
Step 226: 197325 + 877 = 198202
Step 227: 198202 + 877 = 199079
Step 228: 199079 + 877 = 199956
Step 229: 199956 + 877 = 200833
Step 230: 200833 + 877 = 201710
Step 231: 201710 + 877 = 202587
Step 232: 202587 + 877 = 203464
Step 233: 203464 + 877 = 204341
Step 234: 204341 + 877 = 205218
Step 235: 205218 + 877 = 206095
Step 236: 206095 + 877 = 206972
Step 237: 206972 + 877 = 207849
Step 238: 207849 + 877 = 208726
Step 239: 208726 + 877 = 209603
Step 240: 209603 + 877 = 210480
Step 241: 210480 + 877 = 211357
Step 242: 211357 + 877 = 212234
Step 243: 212234 + 877 = 213111
Step 244: 213111 + 877 = 213988
Step 245: 213988 + 877 = 214865
Step 246: 214865 + 877 = 215742
Step 247: 215742 + 877 = 216619
Step 248: 216619 + 877 = 217496
Step 249: 217496 + 877 = 218373
Step 250: 218373 + 877 = 219250
Step 251: 219250 + 877 = 220127
Step 252: 220127 + 877 = 221004
Step 253: 221004 + 877 = 221881
Step 254: 221881 + 877 = 222758
Step 255: 222758 + 877 = 223635
Step 256: 223635 + 877 = 224512
Step 257: 224512 + 877 = 225389
Step 258: 225389 + 877 = 226266
Step 259: 226266 + 877 = 227143
Step 260: 227143 + 877 = 228020
Step 261: 228020 + 877 = 228897
Step 262: 228897 + 877 = 229774
Step 263: 229774 + 877 = 230651
Step 264: 230651 + 877 = 231528
Step 265: 231528 + 877 = 232405
Step 266: 232405 + 877 = 233282
Step 267: 233282 + 877 = 234159
Step 268: 234159 + 877 = 235036
Step 269: 235036 + 877 = 235913
Step 270: 235913 + 877 = 236790
Step 271: 236790 + 877 = 237667
Step 272: 237667 + 877 = 238544
Step 273: 238544 + 877 = 239421
Step 274: 239421 + 877 = 240298
Step 275: 240298 + 877 = 241175
Step 276: 241175 + 877 = 242052
Step 277: 242052 + 877 = 242929
Step 278: 242929 + 877 = 243806
Step 279: 243806 + 877 = 244683
Step 280: 244683 + 877 = 245560
Step 281: 245560 + 877 = 246437
Step 282: 246437 + 877 = 247314
Step 283: 247314 + 877 = 248191
Step 284: 248191 + 877 = 249068
Step 285: 249068 + 877 = 249945
Step 286: 249945 + 877 = 250822
Step 287: 250822 + 877 = 251699
Step 288: 251699 + 877 = 252576
Step 289: 252576 + 877 = 253453
Step 290: 253453 + 877 = 254330
Step 291: 254330 + 877 = 255207
Step 292: 255207 + 877 = 256084
Step 293: 256084 + 877 = 256961
Step 294: 256961 + 877 = 257838
Step 295: 257838 + 877 = 258715
Step 296: 258715 + 877 = 259592
Step 297: 259592 + 877 = 260469
Step 298: 260469 + 877 = 261346
Step 299: 261346 + 877 = 262223
Step 300: 262223 + 877 = 263100
Step 301: 263100 + 877 = 263977
Step 302: 263977 + 877 = 264854
Step 303: 264854 + 877 = 265731
Step 304: 265731 + 877 = 266608
Step 305: 266608 + 877 = 267485
Step 306: 267485 + 877 = 268362
Step 307: 268362 + 877 = 269239
Step 308: 269239 + 877 = 270116
Step 309: 270116 + 877 = 270993
Step 310: 270993 + 877 = 271870
Step 311: 271870 + 877 = 272747
Step 312: 272747 + 877 = 273624
Step 313: 273624 + 877 = 274501
Step 314: 274501 + 877 = 275378
Step 315: 275378 + 877 = 276255
Step 316: 276255 + 877 = 277132
Step 317: 277132 + 877 = 278009
Step 318: 278009 + 877 = 278886
Step 319: 278886 + 877 = 279763
Step 320: 279763 + 877 = 280640
Step 321: 280640 + 877 = 281517
Step 322: 281517 + 877 = 282394
Step 323: 282394 + 877 = 283271
Step 324: 283271 + 877 = 284148
Step 325: 284148 + 877 = 285025
Step 326: 285025 + 877 = 285902
Step 327: 285902 + 877 = 286779
Step 328: 286779 + 877 = 287656
Step 329: 287656 + 877 = 288533
Step 330: 288533 + 877 = 289410
Step 331: 289410 + 877 = 290287
Step 332: 290287 + 877 = 291164
Step 333: 291164 + 877 = 292041
Step 334: 292041 + 877 = 292918
Step 335: 292918 + 877 = 293795
Step 336: 293795 + 877 = 294672
Step 337: 294672 + 877 = 295549
Step 338: 295549 + 877 = 296426
Step 339: 296426 + 877 = 297303
Step 340: 297303 + 877 = 298180
Step 341: 298180 + 877 = 299057
Step 342: 299057 + 877 = 299934
Step 343: 299934 + 877 = 300811
Step 344: 300811 + 877 = 301688
Step 345: 301688 + 877 = 302565
Step 346: 302565 + 877 = 303442
Step 347: 303442 + 877 = 304319
Step 348: 304319 + 877 = 305196
Step 349: 305196 + 877 = 306073
Step 350: 306073 + 877 = 306950
Step 351: 306950 + 877 = 307827
Step 352: 307827 + 877 = 308704
Step 353: 308704 + 877 = 309581
Step 354: 309581 + 877 = 310458
Step 355: 310458 + 877 = 311335
Step 356: 311335 + 877 = 312212
Step 357: 312212 + 877 = 313089
Step 358: 313089 + 877 = 313966
Step 359: 313966 + 877 = 314843
Step 360: 314843 + 877 = 315720
Step 361: 315720 + 877 = 316597
Step 362: 316597 + 877 = 317474
Step 363: 317474 + 877 = 318351
Step 364: 318351 + 877 = 319228
Step 365: 319228 + 877 = 320105
Step 366: 320105 + 877 = 320982
Step 367: 320982 + 877 = 321859
Step 368: 321859 + 877 = 322736
Step 369: 322736 + 877 = 323613
Step 370: 323613 + 877 = 324490
Step 371: 324490 + 877 = 325367
Step 372: 325367 + 877 = 326244
Step 373: 326244 + 877 = 327121
Step 374: 327121 + 877 = 327998
Step 375: 327998 + 877 = 328875
Step 376: 328875 + 877 = 329752
Step 377: 329752 + 877 = 330629
Step 378: 330629 + 877 = 331506
Step 379: 331506 + 877 = 332383
Step 380: 332383 + 877 = 333260
Step 381: 333260 + 877 = 334137
Step 382: 334137 + 877 = 335014
Step 383: 335014 + 877 = 335891
Step 384: 335891 + 877 = 336768
Step 385: 336768 + 877 = 337645
Step 386: 337645 + 877 = 338522
Step 387: 338522 + 877 = 339399
Step 388: 339399 + 877 = 340276
Step 389: 340276 + 877 = 341153
Step 390: 341153 + 877 = 342030
Step 391: 342030 + 877 = 342907
Step 392: 342907 + 877 = 343784
Step 393: 343784 + 877 = 344661
Step 394: 344661 + 877 = 345538
Step 395: 345538 + 877 = 346415
Step 396: 346415 + 877 = 347292
Step 397: 347292 + 877 = 348169
Step 398: 348169 + 877 = 349046
Step 399: 349046 + 877 = 349923
Step 400: 349923 + 877 = 350800
Step 401: 350800 + 877 = 351677
Step 402: 351677 + 877 = 352554
Step 403: 352554 + 877 = 353431
Step 404: 353431 + 877 = 354308
Step 405: 354308 + 877 = 355185
Step 406: 355185 + 877 = 356062
Step 407: 356062 + 877 = 356939
Step 408: 356939 + 877 = 357816
Step 409: 357816 + 877 = 358693
Step 410: 358693 + 877 = 359570
Step 411: 359570 + 877 = 360447
Step 412: 360447 + 877 = 361324
Step 413: 361324 + 877 = 362201
Step 414: 362201 + 877 = 363078
Step 415: 363078 + 877 = 363955
Step 416: 363955 + 877 = 364832
Step 417: 364832 + 877 = 365709
Step 418: 365709 + 877 = 366586
Step 419: 366586 + 877 = 367463
Step 420: 367463 + 877 = 368340
Step 421: 368340 + 877 = 369217
Step 422: 369217 + 877 = 370094
Step 423: 370094 + 877 = 370971
Step 424: 370971 + 877 = 371848
Step 425: 371848 + 877 = 372725
Step 426: 372725 + 877 = 373602
Step 427: 373602 + 877 = 374479
Step 428: 374479 + 877 = 375356
Step 429: 375356 + 877 = 376233
Step 430: 376233 + 877 = 377110
Step 431: 377110 + 877 = 377987
Step 432: 377987 + 877 = 378864
Step 433: 378864 + 877 = 379741
Step 434: 379741 + 877 = 380618
Step 435: 380618 + 877 = 381495
Step 436: 381495 + 877 = 382372
Step 437: 382372 + 877 = 383249
Step 438: 383249 + 877 = 384126
Step 439: 384126 + 877 = 385003
Step 440: 385003 + 877 = 385880
Step 441: 385880 + 877 = 386757
Step 442: 386757 + 877 = 387634
Step 443: 387634 + 877 = 388511
Step 444: 388511 + 877 = 389388
Step 445: 389388 + 877 = 390265
Step 446: 390265 + 877 = 391142
Step 447: 391142 + 877 = 392019
Step 448: 392019 + 877 = 392896
Step 449: 392896 + 877 = 393773
Step 450: 393773 + 877 = 394650
Step 451: 394650 + 877 = 395527
Step 452: 395527 + 877 = 396404
Step 453: 396404 + 877 = 397281
Step 454: 397281 + 877 = 398158
Step 455: 398158 + 877 = 399035
Step 456: 399035 + 877 = 399912
Step 457: 399912 + 877 = 400789
Step 458: 400789 + 877 = 401666
Step 459: 401666 + 877 = 402543
Step 460: 402543 + 877 = 403420
Step 461: 403420 + 877 = 404297
Step 462: 404297 + 877 = 405174
Step 463: 405174 + 877 = 406051
Step 464: 406051 + 877 = 406928
Step 465: 406928 + 877 = 407805
Step 466: 407805 + 877 = 408682
Step 467: 408682 + 877 = 409559
Step 468: 409559 + 877 = 410436
Step 469: 410436 + 877 = 411313
Step 470: 411313 + 877 = 412190
Step 471: 412190 + 877 = 413067
Step 472: 413067 + 877 = 413944
Step 473: 413944 + 877 = 414821
Step 474: 414821 + 877 = 415698
Step 475: 415698 + 877 = 416575
Step 476: 416575 + 877 = 417452
Step 477: 417452 + 877 = 418329
Step 478: 418329 + 877 = 419206

So, 877*478 = 419206